Final answer:
Blue colored road signs with white pictures or writing usually indicate information for motorists, such as locations for services, facilities, or attractions.
Step-by-step explanation:
Blue colored road signs with white pictures or writing usually indicate information for motorists, such as locations for services, facilities, or attractions. These signs are known as motorist services signs or service signs. They provide important information to help drivers navigate the roadways and find necessary amenities. Examples of blue road signs with white pictures or writing include signs for gas stations, restaurants, rest areas, hospitals, and tourist attractions.